1-5. For the given unbalanced reaction CaSO4 + NaCl CaCl2 + Na2SO41. How many CaSO4 in kg is required for producing 1 mole of Na2SO4? Assume NaCl in excess.

1-5. For the given unbalanced reaction CaSO4 + NaCl CaCl2 + Na2SO41.

1.	1-5. For the given unbalanced reaction CaSO4 + NaCl CaCl2 + Na2SO4 1. How many CaSO4 in kg is required for producing 1 mole of Na2SO4? Assume NaCl in excess.
A.	136 kg
B.	156 kg
C.	176 kg
D.	196 kg
Answer» B. 156 kg